Patents by Inventor Patrick D. Summers

Patrick D. Summers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7356858
    Abstract: A rolling chassis supports dual lifting beams pivotably mounted on adjustable supporting pins. The beams are pivoted by rollers raised by dual driving piers. Each beam carried a pair of blocks for a rope running from a locking system on the chassis to one side of an upper harness, and another pair of blocks for a rope running from a locking system on the chassis to one side of a lower harness. A retractable knee pad assists lifting a patient from sitting to standing position as the beams pivot and retract the cables.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: April 15, 2008
    Inventor: Patrick D. Summers
  • Patent number: 4730842
    Abstract: An adjustable wheelchair comprising a supporting frame having a front, a rear and a pair of sides defining a seat portion inbetween; a pair of main wheels rotatably mounted to the frame and a pair of secondary wheels rotatably mounted to the frame for pivotal movement with respect thereto. The frame includes a series of split clamps for continuous adjustment of the width of the seat portion over a defined range. A cushion is fastened to the seat portion by means of a pair of overlapping flexible supports having Velcro material thereon for joining the supports of varying degrees of overlap. The main wheels and secondary wheels are adjustable in both vertical and horizontal directions, and the chair is collapsible horizontally as opposed to vertically. The armrests are rotatable for allowing the chair back to be collapsed. A pair of footplates are swingably mounted to the frame for pivotal movement and the footplates may also be adjusted to varying degrees of inclination with respect to a horizontal plane.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: March 15, 1988
    Assignee: Wheel Ring, Inc.
    Inventors: Patrick D. Summers, Richard A. Eden